Home / 30,293.95-45,437.69-10,572.88

Finding the Fourth Proportional to 30,293.95, 45,437.69 and 10,572.88

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Solution

The fourth proportional to 30,293.95, 45,437.69 and 10,572.88 is: 15,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.95 : 45,437.69 = 10,572.88 : x
  2. Step 2: Convert to fraction form
    30,293.95/45,437.69 = 10,572.88/x
  3. Step 3: Cross multiply
    30,293.95x = 45,437.69 × 10,572.88
  4. Step 4: Simplify right side
    30,293.95x = 480,407,243.85
  5. Step 5: Solve for x
    x = 480,407,243.85/30,293.95
  6. Step 6: Final answer
    x = 15,858.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.